@article{CRMATH_2007__344_9_581_0,
     author = {Campillo, Antonio and Olivares, Jorge},
     title = {Special subschemes of the scheme of singularities of a plane foliation},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {581--585},
     publisher = {Elsevier},
     volume = {344},
     number = {9},
     year = {2007},
     doi = {10.1016/j.crma.2007.03.018},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2007.03.018/}
}